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【单选题】
乙酰胆碱对家兔离体回肠实验中所需营养液是( )A.
磷酸缓冲液
B.
生理盐水
C.
超纯水
D.
液
E.
台式液
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举一反三
【单选题】听力原文：W: Professor Smith said that I could find the book relevant to my major on the shelves in this section. But I could not even figure out anything similar. M: Maybe the book has been borrowed from ...
A.
At the library.
B.
At the airport.
C.
At the post office.
D.
At the teacher's office.
【单选题】To fund the ______ and also promote the marketing value of the National s, the organizing committee set up the Marketing Development Department(MDD).
A.
beneficent
B.
expensive
C.
costly
D.
luxurious
【简答题】正投影的基本性质为: 当直线或平面与投影面平行时,其投影具有 性;当直线或平面与投影面垂直时,其投影具有 性;当直线或平面与投影面倾斜时,其投影具有 性。
【单选题】lf you want to telephone her you will have to _____the number in the book.
A.
look at
B.
look into
C.
look through
D.
look up
【简答题】LOOK! This is the Shanghai-Hangzhou high-speed (高速的) train. It started running on October 26. It goes at a speed of 350 km an hour. It is faster than the usual high-speed train. Before, it took one ho...
【单选题】听力原文：W: Professor Smith said that I could find the book relevant to my major on the shelves in this section. But I could not even figure out anything similar. M: Maybe the book has been borrowed from ...
A.
At the library.
B.
At the airport.
C.
At the post office.
D.
At the teacher's office.
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